Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Narrative (Details)

v3.20.1
Share-Based Compensation - Narrative (Details)
6 Months Ended
Mar. 31, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award performance measurement period 3 years
Stock options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock option granted, weighted-average exercise price $ 31.94
Stock option granted, weighted-average grant date fair value 6.63
Time-based stock awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity instruments other than options, grant date fair value 31.63
Performance-based stock awards (maximum that can be earned)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity instruments other than options, grant date fair value $ 32.74
Performance-based stock awards granted, number of units | shares 252,406
Award performance measurement period 3 years